Wintter & Associates, P.A. Florida Probate Litigation Lawyer & Trust Attorney | Estate Planning | Wintter & Associates, P.A. Wintter & Associates, P.A. is a Florida trust and estate law firm focusing its practice in the areas of probate administration, trust administration, guardianship administration, probate litigation, trust litigation, guardianship litigation, and estate planning. The firm’s professionals are devoted to the representation of clients in estate, trust, probate, and guardianship proceedings. The firm is well known and is well respected by our colleagues, competitors, adversaries, and judges.